A Lightweight, Flexible, Powerful Shader GUI System for Unity.

A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny things. Inspired by awesome-... stuff.

A recreation (and working version) of the Half-Life 2 beta, complete in the original beta engine.

Open Source codebase of the game Overgrowth by Wolfire Games LLC

Experimental 3D / game engine

100% Open Source CSGO

TF2 Source Code leaked on 22/4/2020

Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses

🔥 Linux下C++轻量级WebServer服务器

An open-source C++ library developed and used at Facebook.

Page curl effect for Unity3d using UGUI

Tweening/Easing/Interpolating functions for lua. Inspired on jQuery's animate method.

Easing functions implemented in lua (Functions from http://www.robertpenner.com/easing/ )

Easing Functions Cheat Sheet

RealRTCW mod based on ioRTCW engine

AMX Mod X - Half-Life 1 Scripting and Administration

Flexible level editor

A retro game engine with a fun platformer for making your dreams come true!

Provides an efficient allocation free async/await integration for Unity.

A Zandronum 3.0 fork with improved netcode, configurable movement and many small tweaks

#1 Open Source Unity Networking Library

Universal Scene Description

MaterialX is an open standard for the exchange of rich material and look-development content across applications and renderers.

Unreal Engine integration addon for AYON

UE5标识符详解，包含100多个标识符以及300多个meta的解释和示例。Detailed Explanation of UE5 Identifiers, including over 100 identifiers and explanations and examples for more than 300 meta tags.

Unreal Engine .NET 6 integration

Spline editor extension for Unity.

Redot Engine – Multi-platform 2D and 3D game engine

Havok Physics & Animation 2013

A simple and easy-to-use immediate-mode gui library